Sneak peek gender test?

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Hi y’all! So I done the sneak peek gender test at 6 weeks and 2 days! I did everything to a T. I just got my results today and it says I’m having a girl!!! Has anyone done the test this early and gotten a girl but it be wrong?

Could I have tested too early and it didn’t detect any boy dna??

The kit advertises 6 weeks sooo.